code: def cubic_conv2(A, x):
      return ((A * x - 5 * A) * x + 8 * A) * x - 4 * A
  
file_path: ivy/ivy/functional/frontends/torch/nn/functional/vision_functions.py
imports: import ivy
  from ivy import with_unsupported_dtypes, with_supported_dtypes
  from ivy.functional.frontends.torch.func_wrapper import to_ivy_arrays_and_back
label_desc: Use image node_id 5 for calling a global function with example usage: cubic_conv2(A, x) and returns: unknown